302
Data verified302 is essentially 304 with a slightly higher carbon allowance, giving a little more strength after cold work. It is widely used for stainless springs, wire and mesh where 304 chemistry is acceptable.
Chemical composition
| Element | Content (%) |
|---|---|
| C | ≤0.15 |
| Si | ≤1.00 |
| Mn | ≤2.00 |
| P | ≤0.045 |
| S | ≤0.030 |
| Cr | 17.00–19.00 |
| Ni | 8.00–10.00 |
Weight percent, per the governing standard ranges. Actual values per heat are on the mill certificate.
Properties
| Delivery condition | Annealed |
| Hardness | ≤187 HB (annealed) |
| Tensile strength | 515–720 MPa |
| Density | 7.90 g/cm³ |
Heat treatment
Solution anneal 1010–1120 °C, rapid cool. Cold drawn wire tempers are common.
Equivalent grades
| Standard | Designation |
|---|---|
| din | 1.4300 |
| aisi | 302 |
| jis | SUS302 |
| gb | 12Cr18Ni9 |
Compare side by side: 302 vs 304 · 302 vs 301
Equivalents overlap in chemistry and use but are not always identical — see our equivalents guide before substituting in certified designs.
Applications & Processing
Applications: Springs, wire mesh and screens, washers, food equipment, ornamental parts.
Processing: Good formability and weldability; work hardens at a moderate rate; standard austenitic machining practice applies.
Need 302 from stock?
Steel.Wiki is sponsored by Shenzhen NewAsia Special Steel (Nasteel), a special-steel stockholder in Shenzhen stocking mold, tool and alloy steels with EN 10204 3.1 certification.
Ask for a quotationVisit NasteelSource: ASTM A240 / EN 10088 published ranges · Last updated 2026-11-03. Data is indicative — verify critical values against the governing standard and mill certificate before use.